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In a test paper there are 10 questions ....

In a test paper there are 10 questions . Number of ways in which 6 questions to be answered is

A

105

B

210

C

310

D

220

Text Solution

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-PERMUTATIONS AND COMBINATIONS -Assignment Section A Objective type questions (One option is correct )
  1. Number of different words that can be formed from 15 consonants and 5 ...

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  2. A box contains 7 red , 6 white and 4 blue balls. Number of ways of sel...

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  3. In a test paper there are 10 questions . Number of ways in which 6 que...

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  4. How many four digit natural numbers not exceeding 4321 can be formed ...

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  5. Number of ways in which the letters of the word MOBILE be arranged so ...

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  6. Number of ways in which the letters of the word RAINBOW be arranged su...

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  7. Number of even numbes greater than 300 that can be formed with the dig...

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  8. There are 6 books of physics , 3 of chemistry and 4 of biology . Numbe...

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  9. A person has 5 shirts, 4 coat and 7 ties . Number of ways in which he ...

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  10. Number of ways in which 15 different books can be arraged on a shelf s...

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  11. How many 6 digit numbers can be formed out of the digits of the number...

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  12. Number of ways in which n balls be randomly distributed in n cells is

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  13. Number of three digit numbers such that atleast one of the digits is 9...

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  14. Number of ways in which the letters of the word TAMANNA be arranged is

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  15. Number of three letter words that can be formed using only vowels but ...

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  16. Number of all permutations of the set of four letters E , O , S , P ta...

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  17. Number of ways in which 5 prizes be given away to 8 students when elac...

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  18. Number of 3 digit numbers that can be formed having unit digit as zero...

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  19. Number of different words that can be made using the letters of the wo...

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  20. Number of ways in which the letters of the word SUCCESSFUL be arranged...

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